Senate Report Blasts Credit Suisse as Soliciting Tax Evaders

WASHINGTON—Credit Suisse Group AG went to great lengths to assist U.S. customers trying to open Swiss bank accounts and evade federal taxes, courting clients at a Swiss-themed ball in New York and golf tournaments in Florida and setting up a branch in the Zurich airport to assist Americans en route to ski vacations, a Senate report alleged Tuesday.

The 181-page report released by the Senate Permanent Subcommittee on Investigations painted Zurich-based Credit Suisse as a willing accomplice in offshore tax evasion,...